// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//


#pragma once
#include <pollux/type/type.h>

namespace kumo::pollux::parse {
    // Registers type resolver with the parser to resolve return types of special
    // forms (if, switch, and, or, etc.) and vector functions.
    void registerTypeResolver();

    // Given scalar function name and input types, resolves the return type. Throws
    // an exception if return type cannot be resolved. Returns null if return type
    // cannot be resolved and 'nullOnFailure' is true.
    TypePtr resolveScalarFunctionType(
        const std::string &name,
        const std::vector<TypePtr> &args,
        bool nullOnFailure = false);
} // namespace kumo::pollux::parse
